Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Reexamination Certificate
2007-06-12
2007-06-12
Beaulieu, Y. (Department: 3661)
Data processing: vehicles, navigation, and relative location
Navigation
Employing position determining equipment
C213S209000, C342S357490, C342S357490, C340S992000
Reexamination Certificate
active
10819743
ABSTRACT:
The present invention is directed to a method for acquiring elevation data for an area. The method includes using a GPS receiver to map ground elevations while driving back and forth over an area and periodically recording position, elevation, and time. Then, at least one track is made across the parallel tracks so that the cross track intersects the parallel tracks. The data obtained is processed and elevation data from the cross track is used to adjust elevation data for the parallel tracks, compensating for elevation drift in measurements recorded by the GPS receiver. The adjusted data for the entire area is processed using the method of the present invention to obtain an elevation map for the area.
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Hendrickson Larry L.
Nelson Frederick W.
Pickett Terence D.
Beaulieu Y.
Deere & Company
Suiter Swantz pc llo
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